Rare Disston No. 9 split nut Regan Patent Backsaw Excalibur depth stop holes.. This auction features a excellent antique Disston no. 9 split nut saw William Regan patented the back design 1874 . This saw is absolutely awesome and super rare. The plate is nice and straight with no pitting and it has no missing teeth the holes are factory and were used for a depth stop thats not included. Shipped with USPS Priority Mail. Please look at the pictures as they are part of the description and ask questions if you need before you bid. This is a no reserve auction so good luck bidders